CN104613609A - 空调系统 - Google Patents

空调系统 Download PDF

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Publication number
CN104613609A
CN104613609A CN201410806973.4A CN201410806973A CN104613609A CN 104613609 A CN104613609 A CN 104613609A CN 201410806973 A CN201410806973 A CN 201410806973A CN 104613609 A CN104613609 A CN 104613609A
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China
Prior art keywords
air
refrigerant pipeline
compressor
conditioning system
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201410806973.4A
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English (en)
Inventor
宋景亮
沈卫东
孙振
张社坤
李可
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shuguang energy saving technology (Beijing) Limited by Share Ltd
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Dawning Information Industry Beijing Co Ltd
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Priority to CN201410806973.4A priority Critical patent/CN104613609A/zh
Publication of CN104613609A publication Critical patent/CN104613609A/zh
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/31Expansion valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/10Pressure
    • F24F2140/12Heat-exchange fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/20Heat-exchange fluid temperature
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

本发明提供了一种空调系统,包括通过冷媒管路(3)连通的室内机(1)和室外机(2),其中,室内机(1)与冷媒管路(3)之间设置有膨胀阀,膨胀阀由检测冷媒管路(3)中的第一测量值的第一传感器控制开度,其中,室外机(2)具有压缩机和风机,压缩机由检测冷媒管路(3)中的第二测量值的第二传感器控制以调节频率,风机根据压缩机的出风温度值调节转速。本发明的目的在于提供一种可以实现室内和室外机自动根据负荷变化达到最佳匹配而不需通信的空调系统。

Description

空调系统
技术领域
本发明涉及一种空调系统。
背景技术
目前空调内外机采用通信线进行内外机信息传递,而这种采用通信线进行的内外机信息传递存在诸多不利因素。例如,现有技术设计到通信线,而通信线布线复杂、浪费材料。另外,空调通信线进机房存在影响服务器设备的隐患。而且通信线长度有限制,长距离传输信号衰减,不稳定。
发明内容
针对相关技术中存在的问题,本发明的目的在于提供一种可以实现室内和室外机自动根据负荷变化达到最佳匹配而不需通信的空调系统。
为实现上述目的,本发明提供了一种空调系统,包括通过冷媒管路连通的室内机和室外机,其中,室内机与冷媒管路之间设置有膨胀阀,膨胀阀由检测冷媒管路中的第一测量值的第一传感器控制开度,其中,室外机具有压缩机和风机,压缩机由检测冷媒管路中的第二测量值的第二传感器控制以调节频率,风机根据压缩机的出风温度值调节转速。
根据本发明,第一传感器为温度传感器,第一测量值为室内机输送至冷媒管路中的回风温度值。
根据本发明,冷媒管路与压缩机的吸气口连通。
根据本发明,第二传感器为压缩机的回气压力传感器,第二测量值为由冷媒管路输送至吸气口的室内机的蒸发压力值。
根据本发明,风机通过温度传感器检测压缩机的出风温度值来调节转速。
根据本发明,膨胀阀为电子膨胀阀。
本发明的有益技术效果在于:
由于本发明的空调系统室内机与室外机之间采用冷媒管路连通,并且由第一传感器和第二传感器分别控制膨胀阀的开度和压缩机的频率,从而本发明的空调系统可以实现室内机和室外机自动根据负荷变化达到最佳匹配而不需采用通信线,由此克服了现有技术中存在的诸多缺陷。
附图说明
图1是本发明空调系统的结构示意简图。
具体实施方式
现参照图1中本发明空调系统的一个实施例的结构示意简图进行描述。本发明的空调系统包括室内机1和室外机2,并且室内机1和室外机2之间通过冷媒管路3连通。
具体地,室内机1与冷媒管路3之间设置有膨胀阀。虽然膨胀阀未在图1中示出,但是应当理解,膨胀阀设置在室内机1和冷媒管路3之间从而通过其开度变化来控制由室内机1通入冷媒管路3的冷媒的量。在优选的实施例中,膨胀阀可以由检测冷媒管路3中的第一测量值的第一传感器来控制开度。此外,室外机2可以具有压缩机和风机,该压缩机由检测冷媒管路3中的第二测量值的第二传感器控制以调节频率,风机根据压缩机的出风温度值调节转速。
由以上可知,由于本发明的空调系统室内机1与室外机2之间采用冷媒管路3连通,并且由第一传感器和第二传感器分别控制膨胀阀的开度和压缩机的频率,从而本发明的空调系统可以实现室内机1和室外机2自动根据负荷变化达到最佳匹配而不需采用通信线,由此克服了现有技术中存在的诸多缺陷。
进一步,在优选的实施例中,第一传感器为温度传感器,第一测量值可以为室内机1输送至冷媒管路3中的回风温度值。此外,冷媒管路3可以与压缩机的吸气口连通。第二传感器可以为压缩机的回气压力传感器,述第二测量值为由冷媒管路3输送至吸气口的室内机的蒸发压力值。当然应当理解,上述第一传感器和第二传感器的选取可根据具体使用情况而定,本发明不局限于此。
此外,在优选的实施例中,风机可以通过温度传感器检测压缩机的出风温度值来调节转速。而在可选的实施例中,上述的膨胀阀可以为电子膨胀阀。当然应当理解,风机也可以根据其他类型的适当传感器进行转速调节,而膨胀阀也可以为其他适当类型的膨胀阀,这都可以根据具体使用情况而定,本发明不局限于此。
现结合附图对本发明的工作工程进行具体描述。在本发明中,室内机1和室外机2只通过冷媒管路3连接,室内机1的电子膨胀阀根据室内机1进出冷媒管路3的温度调节电子膨胀阀的开度,室外机2中的风机根据出风温度调节转速。
室外机2的压缩机根据高低压压力传感器(即,第二传感器)压力调节压缩机频率和启停。室外机2的风机根据冷凝温度调节风扇转速。具体地,当室内机1中的负荷发生变化时,例如室内机1负荷变大,从而导致其回风温度升高,进而会使得室内机1的蒸发压力升高。通过冷媒管路3,回到压缩机吸气口的压缩机的压力随蒸发压力的升高也升高,压缩机回气传感器(即,第二传感器)压力感知压力升高,从而提高压缩机频率或开启限制压缩机。与此同时,压缩机的排气压力升高,进一步导致室外机2的冷凝器的冷凝压力升高,从而提高风扇转速降低冷媒压力,如此反复最后达到平衡状态。
另外,如果当室外机2的环境条件变化时,室内机1依然也可以通过采集配管温度和压力来感知室外机2的状态。然后使得室内机1进行调节从而达到稳态。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (6)

1.一种空调系统,其特征在于,包括通过冷媒管路(3)连通的室内机(1)和室外机(2),
其中,所述室内机(1)与所述冷媒管路(3)之间设置有膨胀阀,所述膨胀阀由检测所述冷媒管路(3)中的第一测量值的第一传感器控制开度,
其中,所述室外机(2)具有压缩机和风机,所述压缩机由检测所述冷媒管路(3)中的第二测量值的第二传感器控制以调节频率,所述风机根据所述压缩机的出风温度值调节转速。
2.根据权利要求1所述的空调系统,其特征在于,
所述第一传感器为温度传感器,所述第一测量值为所述室内机(1)输送至所述冷媒管路(3)中的回风温度值。
3.根据权利要求1或2所述的空调系统,其特征在于,
所述冷媒管路(3)与所述压缩机的吸气口连通。
4.根据权利要求3所述的空调系统,其特征在于,
所述第二传感器为所述压缩机的回气压力传感器,所述第二测量值为由所述冷媒管路(3)输送至所述吸气口的室内机的蒸发压力值。
5.根据权利要求1所述的空调系统,其特征在于,
所述风机通过温度传感器检测所述压缩机的出风温度值来调节转速。
6.根据权利要求1所述的空调系统,其特征在于,
所述膨胀阀为电子膨胀阀。
CN201410806973.4A 2014-12-22 2014-12-22 空调系统 Pending CN104613609A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410806973.4A CN104613609A (zh) 2014-12-22 2014-12-22 空调系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410806973.4A CN104613609A (zh) 2014-12-22 2014-12-22 空调系统

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108180540A (zh) * 2017-12-21 2018-06-19 曙光节能技术(北京)股份有限公司 一种空调系统的控制方法及装置
CN111412636A (zh) * 2020-04-07 2020-07-14 珠海格力电器股份有限公司 内外机之间无通信电路的空调及其控制方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2413206Y (zh) * 2000-03-16 2001-01-03 江苏春兰电器有限公司 新型分体式空调室内机
CN1363805A (zh) * 2002-02-06 2002-08-14 黄明 空调负荷随动变工况节能控制方法及其控制器
CN2739523Y (zh) * 2003-12-15 2005-11-09 宁波惠康国际工业有限公司 空调净化消毒机控制系统
CN101469928A (zh) * 2007-12-26 2009-07-01 财团法人工业技术研究院 节能控制方法及其装置
CN101614432A (zh) * 2008-06-24 2009-12-30 海尔集团公司 一种多联空调频率切换控制方法及系统
CN201954710U (zh) * 2011-04-03 2011-08-31 Tcl空调器(中山)有限公司 空调器
CN203642552U (zh) * 2013-11-28 2014-06-11 艾默生环境优化技术(苏州)有限公司 制冷和/或制热系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2413206Y (zh) * 2000-03-16 2001-01-03 江苏春兰电器有限公司 新型分体式空调室内机
CN1363805A (zh) * 2002-02-06 2002-08-14 黄明 空调负荷随动变工况节能控制方法及其控制器
CN2739523Y (zh) * 2003-12-15 2005-11-09 宁波惠康国际工业有限公司 空调净化消毒机控制系统
CN101469928A (zh) * 2007-12-26 2009-07-01 财团法人工业技术研究院 节能控制方法及其装置
CN101614432A (zh) * 2008-06-24 2009-12-30 海尔集团公司 一种多联空调频率切换控制方法及系统
CN201954710U (zh) * 2011-04-03 2011-08-31 Tcl空调器(中山)有限公司 空调器
CN203642552U (zh) * 2013-11-28 2014-06-11 艾默生环境优化技术(苏州)有限公司 制冷和/或制热系统

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108180540A (zh) * 2017-12-21 2018-06-19 曙光节能技术(北京)股份有限公司 一种空调系统的控制方法及装置
CN111412636A (zh) * 2020-04-07 2020-07-14 珠海格力电器股份有限公司 内外机之间无通信电路的空调及其控制方法
CN111412636B (zh) * 2020-04-07 2021-05-25 珠海格力电器股份有限公司 内外机之间无通信电路的空调及其控制方法

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